—I wonder what makes you a great teacher?—I _______ as a tutor in my spare time at college, which contributes much to my today’s job.
Tom is very pleased with the newly-built house which is almost ___ the one he used to live in.
The chairman thought _____ necessary to invite Professor Smith to speak at the meeting.
I admired my classmate Lisa very much.___ her prettiness, she was smart and helpful.
_____ we can see, we can’t get very far in this project without her help.
Try ____ she might, Sue couldn’t get the door open.